Abstract
Given two divisors D1 and D2 on ( their sum D1 + D2 is again a divisor. The set of all divisors on S together with the sum operation is an abelian group attached to the surface S. This construction of an abelian group works for any set.
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A’Campo, N. (2021). Line Bundles and Cohomology. In: Topological, Differential and Conformal Geometry of Surfaces. Universitext. Springer, Cham. https://doi.org/10.1007/978-3-030-89032-2_13
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DOI: https://doi.org/10.1007/978-3-030-89032-2_13
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-030-89032-2
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